Question: what is the isotope of tin has the highest spin quantum number?
Paraphrase: which isotope of tin has the highest spin quantum number?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q687521 . ?ent wdt:P1122 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: tin-128m, tin-130m1, tin-125, tin-123, tin-121m1